IDIOMS 2

idiom |ˈidēəm|noun1 a group of words established by usage as having a meaning not deducible from those of the individual words (e.g., rain cats and dogs, see the light).• a form of expression natural to a language, person, or group of people : he had a feeling for phrase and idiom.• the dialect of a people or part of a country.2 a characteristic mode of expression in music or art : they were both working in a neo-Impressionist idiom.ORIGIN late 16th cent.: from French idiome, or via late Latin from Greekidiōma ‘private property, peculiar phraseology,’ from idiousthai ‘make one's own,’ from idios ‘own, private.’